so what happens when you do that, you take the subjectivity out of it and you put science around it. so it gives you a benchmark for the products that you have. so when we start looking at that, what we did was we said okay, what are some other alternatives? how can we horne into this as -- honey into this -- hone into this aspect of this particular product. we looked at things from the food industry, for instance. when we did that we came up with the clean stem fluid which is sourced as you said entirely from the fluid industry. what that did by developing those right off the bat, we had two or three orders magnitude stepdown in the numbers. >> numbers of what? >> it's a relative ranking. if you look at one product just in round numbers, let's say it's got an 800, which is what we have been using, some are down to 300 this. >> in terms of what? >> the effects of health, safety and environmental standpoint. >> researching and developing the new recipes for fracking is very expensive. tens of millions of dollars i imagine. >> yes, sir. >> the company believes the existing process, the